Love never dies a natural death. It dies because we don't know how to replenish it's source. It dies of blindness and errors and betrayals. It dies of illness and wounds; it dies of weariness, of witherings, of tarnishings.
We are like sculptors, constantly carving out of others the image we long for, need, love or desire, often against reality, against their benefit, and always, in the end, a disappointment, because it does not fit them.